The rights which a man arrogates to himself are relative to the duties which he sets himself, and to the tasks which he feels capable of performing.

In the 'in-itself' there is nothing of 'causal connections', of 'necessity', or of 'psychological non-freedom'; there the effect does not follow the cause, there is no rule or 'law'. It is we alone who have devised cause, sequence, for-each-other, relativity, constraint, number, law, freedom, motive, and purpose; and when we project and mix this symbol world into things as if it existed 'in itself', we act once more as we have always acted- mythologically.

Life without music is no life at all.

He who speaks a bit of a foreign language has more delight in it than he who speaks it well; pleasure goes along with superficial knowledge.

All things are subject to interpretation whichever interpretation prevails at a given time is a function of power and not truth.

The philosopher believes that the value of his philosophy lies in the whole, in the building: posterity discovers it in the bricks with which he built and which are then often used again for better building: in the fact, that is to say, that building can be destroyed and nonetheless possess value as material.

No, life has not disappointed me. On the contrary, I find it truer, more desirable and mysterious every year -- ever since the day when the great liberator came to me: the idea that life could be an experiment of the seeker for knowledge -- and not a duty, not a calamity, not trickery.